COVID-19

New virus variants threaten a summer Covid-19 wave, but experts say the risk remains uncertain | CNN Covid-19 levels are about the lowest they’ve ever been in the United States, but another new crop of virus variants once again threatens to disrupt the downward trend as the country heads into summer. Deidre McPhillips CNN

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The mutations of the FLiRT variants make increased transmissibility — and a possible summer wave — a real threat. Covid-19 is settling into some seasonal patterns, which have included a summer bump in years past, but the exact level of risk for this year is unclear.

Study: Before vaccines, 44% of COVID-19 patients in ICU died A new analysis of pre-vaccine data from scientists at the Centers for Disease Control and Prevention (CDC) shows that 18% of hospitalized patients and 44% of those admitted to an intensive care unit (ICU) for COVID-19 died, with wide variations among different groups.  CIDRAP

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Before the mid-December 2020 introduction of COVID-19 vaccines, the pandemic caused approximately 480,000 hospitalizations, and 350,000 deaths in the United States.

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COVID patient testing, isolation of sick staff cut in-hospital viral spread, modeling study suggests Interventions such as testing patients for COVID-19 on admission, isolation of ill healthcare workers (HCWs), and universal HCW masking from March 2020 to July 2022 significantly reduced SARS-CoV-2 transmission among patients and staff in UK hospitals, suggests a simulation study led by UK Health Security Agency researchers in London. CIDRAP

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